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  • Title: Analysis of Proteus mirabilis Social Behaviors on Surfaces.
    Author: Little K, Gibbs KA.
    Journal: Methods Mol Biol; 2019; 2021():45-59. PubMed ID: 31309495.
    Abstract:
    The opportunistic pathogen Proteus mirabilis engages in visually dramatic and dynamic social behaviors. Populations of P. mirabilis can rapidly occupy surfaces, such as high-percentage agar and latex, through a collective surface-based motility termed swarming. When in these surface-occupying swarm colonies, P. mirabilis can distinguish between clonal siblings (self) and foreign P. mirabilis strains (nonself). This ability can be assessed by at least two standard methods: boundary formation, aka a Dienes line, and territorial exclusion. Here we describe methods for quantitative analysis of swarm colony expansion, of boundary formation, and of territorial exclusion. These assays can be employed to assess several aspects of P. mirabilis sociality including collective swarm motility, competition, and self versus nonself recognition.
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